Is CVE-2019-18837 actively exploited?

CVE-2019-18837 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2019-18837?

CVE-2019-18837 has a CVSS score of 8.6 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.

How do I patch CVE-2019-18837?

Patch guidance is available from crun project security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2019-18837.

Fix CVE-2019-18837 - HIGH crun project crun

Q: Which products are affected by CVE-2019-18837?

3 products: crun project crun, fedoraproject fedora, fedoraproject fedora.

Description

An issue was discovered in crun before 0.10.5. With a crafted image, it doesn't correctly check whether a target is a symlink, resulting in access to files outside of the container. This occurs in libcrun/linux.c and libcrun/chroot_realpath.c.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: changed
Confidentiality: high
Integrity: none
Availability: none
Weaknesses: CWE-59

Metadata

Primary Vendor: CRUN_PROJECT
Published: 11/13/2019
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2019-18837

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary